Material Problem in TheaRender

Material Problem in TheaRender

Postby cadmunkey » Sat May 28, 2011 5:05 pm

Hi guys,
just purchased TheaRender a few weeks ago but I cant seem to post on their forum (cant find the new post icon!) so thought I would ask here.
I havent really gotten around to playing with the software yet, but yesterday used the material editor to start making some that I will use the most often, usually brickwork.
My materials looked great in the editor especially with displacement, but when I exported a simple box & ground plane from sketchup and opened up Thea and applied the materials I had made, they are not rendering correctly at all. The displacement scale seem to be completely wrong. Am I missing something really obvious here? I'm guessing the scale of the texture in Sketchup determines the scale of the texture in Thea, so I just dont understand why the displacement of the texture should be completely wrong?
Any ideas from any Thearender users?

Cheers!
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Re: Material Problem in TheaRender

Postby notareal » Sat May 28, 2011 5:44 pm


"NewTopic" button should do the trick.
Sounds like UV mapping is not done in SU. Use the texture that you are using for your own material also in SU (in SU import bitmap as texture). Apply and scale texture SU and (then use SU2Thea to apply your material from Thea library) export to Thea. Now if you apply material with same texture (if not already applied with SU2Thea), everything should be in correct scale.
Sorry, don't quite understand the issue with displacement sale, do you meant the height? You give that in centimeters. Maybe a example of your issue in Thea forums is needed. I'd recommend to continue there http://www.thearender.com/forum/viewforum.php?f=54
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Re: Material Problem in TheaRender

Postby cadmunkey » Sat May 28, 2011 6:00 pm

I think I'm basically doing exactly as you posted notareal, applying the texture from my Thea material folder into sketchup then exporting to Thearender.
For some reason the displacement map looks as if it is about 5 times too large once imported into Thea. So for example displacement on my brickwork should occur every 75mm (or 7.5cm in Thea) but it is showing at something like every 375mm, i.e. every 5th brick course. So the displaced grass that looked fine in the material editor also looks crazy within Thea after exporting from SU, the displacement is far too large. I'm not sure why the scaling of the displacement seems to be ignoring the mapping of the diffuse texture.

I dont see those 'New Topic' icons, I knew they had to be there but for some reason they are not showing for me, must be my browser problem. I'll try my other machine later, thanks.
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Re: Material Problem in TheaRender

Postby notareal » Sat May 28, 2011 6:45 pm

cadmunkey wrote:I dont see those 'New Topic' icons, I knew they had to be there but for some reason they are not showing for me, must be my browser problem. I'll try my other machine later, thanks.

Wonder if different forum style would work (but it would ruin the look). Firefox, IE and Safari seems to work fine for me... never tested with others, but this is the first time I hear of this kind of problem.
Workflow sounds correct. But it could be some SU2Thea issue... get latest test exporter from http://www.thearender.com/forum/downloa ... hp?id=7602. Try exporting without "Export Model's hierarchy" (it's know to cause issues). If that does not help, I think a simple example is in need... a scene tells more that thousand words ;)
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Re: Material Problem in TheaRender

Postby cadmunkey » Sat May 28, 2011 8:22 pm

Tried the beta version and still the same result.
Here are screenies to show the result:
First screenshot in the material editor, quite clearly shows displacement correctly. Second showing what happens when exporting into Thea from sketchup using the same material.
The brick texture is fine, but the displacement map just completely goes nuts...
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Re: Material Problem in TheaRender

Postby notareal » Sat May 28, 2011 10:07 pm

It's hard to say what's going on by just looking the picture. Maybe sub division is too low... but that does not explain why displacement is in that scale.
Have you used any subdivision for the wall mesh (in SU)? Maybe you could post the Thea scene as pack.thea.
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Re: Material Problem in TheaRender

Postby cadmunkey » Sun May 29, 2011 4:04 pm

I tried subdividing the scene but it made no difference to the brickwork at all. On the grass all it did was introduce artifacts. The test scene I have emailed to the Thea developers doesnt have subdivided geometry as it didnt change the outcome.
Cheers.
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Re: Material Problem in TheaRender

Postby notareal » Sun May 29, 2011 5:57 pm

Had no change to look on that yet, but giannis will look on it. Here is a quick test, using flagstone texture for the test.

Workflow like described before.
Model, import bitmap as texture, apply/scale texture (I used projected texture in example, but it's fine without it).
Apply Thea material with SU2Thea and export.
In attached render I emphasis displacement a bit.
Note: set model geometry to "smooth" (right click, Geometry > Smoothing) when using displacement. Also for angular objects, it's good turn off "Normal Smoothing" under displacement properties.
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Re: Material Problem in TheaRender

Postby nursill » Tue Jan 08, 2013 2:36 pm

People pls help. I have a problem, when i do model in SU and export to the the THEA, add material and then look likes... on the wall build lines

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Re: Material Problem in TheaRender

Postby tomasz » Tue Jan 08, 2013 4:02 pm

In general it is better to apply all textures inside SketchUp.

If you have to do it in Thea Studio, then use cubic mapping for the piece of the model you have applied the new material (Tools/Transform Tool/Mapping Icon/Cubic).

I suggest you checking new integrated Thea for SketchUp!
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Re: Material Problem in TheaRender

Postby gafia » Sat Dec 07, 2013 9:29 am

I have problem in scatter part in Thea Render Material Lap
i cant see it and it not working
i am asking if i need some program for make it working right

please answer me :)
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Re: Material Problem in TheaRender

Postby solo » Sat Dec 07, 2013 2:14 pm

gafia wrote:I have problem in scatter part in Thea Render Material Lap
i cant see it and it not working
i am asking if i need some program for make it working right

please answer me :)



You have a blank scene, try adding the material to a shape, a plane or something then check again.
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Re: Material Problem in TheaRender

Postby gafia » Sat Dec 07, 2013 8:58 pm

i did that
and not working it was working before i recover the laptop i guess its about the system files
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Re: Material Problem in TheaRender

Postby notareal » Sun Dec 08, 2013 9:26 am

I'd try to reinstall Thea if you have not done so. Are you using latest RV
http://www.thearender.com/cms/index.php ... ender.html remember also get latest presto GPU (if you have nvidia GPU) http://www.thearender.com/cms/index.php ... o-gpu.html
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Re: Material Problem in TheaRender

Postby gafia » Sun Dec 08, 2013 10:09 am

i have the latest version and i tried all versions
not working right " sorry about my english "

i have this problem in other CPU and this LapTop
but it work right in other LapTop
and i am afraid to uninstall it from it cause if i re install and get that am going to be disappoints
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Re: Material Problem in TheaRender

Postby gafia » Sun Dec 08, 2013 10:16 am

Note : i have registration but i didnt put it
i tried ro recover laptop and have same problem
i tried to update windows and the same thing and graphics card too

i tried many things nothing work
i need solution
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Re: Material Problem in TheaRender

Postby gafia » Sun Dec 08, 2013 11:04 am

Thanks for all and especially "notareal"
it work now i download the links and it working very good thanks again
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Re: Material Problem in TheaRender

Postby Cittizewn » Thu Sep 10, 2015 12:26 pm

cadmunkey... did you fix you problem with displacement map?
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Re: Material Problem in TheaRender

Postby cadmunkey » Tue Sep 15, 2015 10:06 am

Cittizewn wrote:cadmunkey... did you fix you problem with displacement map?

Hi, that was over 4 years ago! I didnt sort it at the time but I know displacement works well in Thea now, but to be honest I never use it anymore.
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Re: Material Problem in TheaRender

Postby JQL » Tue Sep 15, 2015 1:15 pm

Cittizewn wrote:cadmunkey... did you fix you problem with displacement map?


Are you having trouble with displacement yourself Cittizewn?
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Re: Material Problem in TheaRender

Postby Cittizewn » Wed Sep 16, 2015 12:48 pm

Yes, my difuse map scale and displacemente map scale are not de same somehow. if i change the texture scale in sketchup somehow the displacemente scale of my displacemente map dont match afterwards.
How should i do do get same scales in dif and displa? change scales in sketchup first or in thea material studio?
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Re: Material Problem in TheaRender

Postby JQL » Wed Sep 16, 2015 1:13 pm

Verify if the following settings are the same with that material for both diffuse, displacement, and all other maps:

(click the gif)

Verify this settings.gif
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Re: Material Problem in TheaRender

Postby JasonWD » Sun Sep 20, 2015 12:04 am

JQL That is super useful! Thanks
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Re: Material Problem in TheaRender

Postby JQL » Sun Sep 20, 2015 1:20 pm

flamejob wrote:JQL That is super useful! Thanks


I'm glad it was helpful!
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Re: Material Problem in TheaRender

Postby morin » Fri May 31, 2019 4:12 pm

hi every one. I have no bump and no displacement.
I follow all that was explained before but still have this problem.
SEE the image.(no image. dont know how !) translation look good in preview but no bump no translation on rendering.
I’m on the demo version. would like to buy but need to fix this problem first.

please help! thea render look very great !
I am on windows 10, sketchup 2017 make, Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz (Cores: 8) and GeForce GTX 750 Ti (Cores: 640)
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